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Martian Dustup Has an Impact
As a storm rages in Mars's atmosphere, two rovers on the surface and three orbiters above wait for the dust to settle.
Spotty Weather
There's a cool sunspot group visible right now. If the weather is clear, go grab a safe solar viewer and check it out for yourself.
Comet LINEAR Graces the Northern Sky
An unexpectedly bright comet is crossing a well-known part of the sky.
Could the lunar crescent be seen in a telescope at new Moon?
Is the Moon’s orbit inclined sufficiently that, when it misses the Sun by the greatest amount north (or south), the lunar crescent could be seen in a telescope at new Moon? Probably not. The inclination of the Moon’s orbit to the ecliptic varies from 5.0° to 5.3°. French astronomer André…
